<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!--CDN引入方式-->
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>

<div id="app">
    <h1>{{msg}}</h1>
    <button type="button">普通按钮</button>
    <hr>
    <!--使用自定义组件-->
    <my_button></my_button>
    <my_button></my_button>
    <my_button></my_button>
</div>

</body>

<script src="../js/vue12.js" />

</html>